111838288040131 has 32 divisors (see below), whose sum is σ = 118068317452800. Its totient is φ = 105789374423040.

The previous prime is 111838288040107. The next prime is 111838288040159. The reversal of 111838288040131 is 131040882838111.

It is a cyclic number.

It is not a de Polignac number, because 111838288040131 - 2²⁹ = 111837751169219 is a prime.

It is a super-2 number, since 2×111838288040131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111838288040161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923604511 + ... + 923725591.

It is an arithmetic number, because the mean of its divisors is an integer number (3689634920400).

Almost surely, 2^{111838288040131} is an apocalyptic number.

111838288040131 is a deficient number, since it is larger than the sum of its proper divisors (6230029412669).

111838288040131 is a wasteful number, since it uses less digits than its factorization.

111838288040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124479.

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 111838288040131 in words is "one hundred eleven trillion, eight hundred thirty-eight billion, two hundred eighty-eight million, forty thousand, one hundred thirty-one".